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Power Systems

Power Systems
A loss less transmission line has a length of 600 km, find the phase shift of voltage signal?

 45°
 42°
 90°
 36°

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Power Systems
For large plants of capacity for more than 15 MW, what type of cooling is used

  Hydrogen.
  Liquid.
  Water.
  Air.

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Power Systems
Which material is used in controlling chain reaction in a nuclear reactor

 Heavy water.
 Thorium.
  Boron.
 Beryllium.

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Power Systems
If the frequency is increased, then skin effect will

 increases
 remains unaffected
 any of the above
 decreases

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Power Systems
More efficient plants are used as

 both 1 and 2
None of these
 base load plant
 peak load plant

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Power Systems
If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is

 1500 MW
 1000 MW
 750 MW
 1250 MW

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